JB/T 9073-1999 Centrifugal cryogenic liquid pumps for air separation equipment
Some standard content:
ICS1.100.20
Machinery Industry Standard of the People's Republic of China
JB/T9073-1999
Centrifugal eryogenic liquid pumps used for air separation plantsIssued on July 12, 1999
National Bureau of Machinery Industry
Implementation on January 1, 2000
JBT9073-1999
This standard is a combination and revision of ZBJ76M4-88 Technical Specifications for Centrifugal Eryogenic Liquid Pumps Used for Air Separation Plants and 2BJ76005-8 Centrifugal Eryogenic Liquid Pumps Used for Air Separation Plants, Test Methods. Compared with ZBJ76005-86, this standard 2BJ76004-88 has the following changes: -3.1 Add "the requirements of the drawings approved according to the prescribed procedures, and its performance deviation is in accordance with the current provisions of Class C in GB/32161989" - Cancel all the recommendations of the original 2HJ76004 Table 1 with vertical numbers. The convection standard is modified.
This standard replaces 2RJ76004-8% and 7RJ76005-R from the date of implementation. This standard is proposed and managed by the Technical Committee for Standardization of Gas Separation and Chemical Equipment. The drafting unit of this standard: Jizhou Oxygen Generator Group Co., Ltd. The main contributors of this standard: Yihua.
This standard was first issued in June 1988.
Machinery Industry Standard of the People's Republic of China
Centrifugal cryogenic liquid pumps used for air separation equipment Centrifugal cryogenic liquid pumps used for air separation equipment 1 Scope
JB/T 9073—1999
ZBJ76004-8B
ZB J76 0058B
This standard specifies the technical conditions of centrifugal cryogenic liquid pumps used for air separation equipment: test methods, inspection rules, packaging, transportation and transportation.
This standard applies to centrifugal cryogenic liquid pumps used for air separation equipment (hereinafter referred to as pumps) 2 Referenced standards
The texts contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and the parties using this standard should explore the possibility of using the latest versions of the following standards. GBT699 — 1988 | | tt | |tt||GB/T 3216 — 1989 ||tt | -1588
GB/T13306—1991
GB/T13808—1992
GB/T 13384—1992
GBT13819—[992
JB/T6896—1993
3 Properties
Technical conditions for energy quality and carbon monoxide structure
Acid monoxide structure
Stainless steel bars
Cap reformed alloy drawing
Yellow tide plate
Technical conditions for stainless steel castings
Determination method of water vapor base
Business pump, lubrication pump, axial flow slurry and rotary exhaust test method Stainless steel cold rolled plate
Stainless steel hot rolled plate
Silver and standard alloy drawing standard
Method of indicating the grade of corrected iron
Technical conditions for aluminum alloy castings
Copper alloy tillage rods
General technical conditions for packaging of electromechanical products
Steel alloy static parts
Surface cleanliness of air separation equipment
3.1 The flow plate, head, speed and seal of the pump under the design working conditions shall meet the requirements of the specified strong order approval, and its performance shall be biased to the C-level provisions in the core white/T3216-1989,
Guohao Machinery Industry Bureau approved on July 12, 1990, January 1, 2000 Implementation
JB/T9073—1999
3.2 The manufacturer shall determine the allowable operating range of the product and variant products, and draw the performance function line (the relationship line between head, shaft power and flow rate).
3.3 When the pump is running under the condition of no gas level, the root mean square disturbance velocity V. value measured on the frequency bearing shall not exceed 4.5mm/s, and the margin of its full value shall be in accordance with the provisions of the figure.
s0ous6to
peak value of the figure Amplitude
3.4 The noise value recorded in 1. working state is not allowed to exceed the value specified in Table 1. Table! Noise allowable value
Motor average frequency
Noise pressure
>10-:0
Rpm
>36-4n
The air flow of the parts in contact with the medium should be less than 125mg, and the inspection method shall be in accordance with the provisions of JH/6896. 3.6 The replacement period of the wearing parts shall comply with the provisions of Table 2. Table 2 Replacement period of wearing parts
Parts name
Replacement basis
1 Timing ring
Machine seal Static ring
Flow seal
Book, Meter seal box
Dynamic shaft
4. Technical requirements
JB/T9073—1999
4.1 The system shall comply with the requirements of this standard and be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures. 4.2 The installation of the maintenance parts shall be explained in detail by the manufacturer in the operation and maintenance instructions. 4.3 The critical speed of the object shall be the actual first critical speed of the rotation under the running condition, which shall be at least 10% higher than the maximum allowable continuous running speed.
4.4 The rotating parts shall be subjected to dynamic balancing test. The single-stage rotating parts with a speed greater than 3000r/minl? , the net pump has been selected for the action balance test, and its accuracy is lower than the requirements of G6.3 in Figure 2: Sac
Figure 2 allows eccentricity
4.5 The rotating parts and the stationary parts should be guaranteed to have sufficient running time according to the nature of the material. 4.6 For the parts such as the ring, bearing and bearing body end cover that have relative movement and possible friction, the matching and selection of materials should be considered so that there will be no sparks or bites during operation. 4.? The manhole and the drainage pipe should be equipped with a pipe compensation. :
4.8 The impeller is a pair of period type and a half type, and the inlet end of the blade should be a head. 4.8.2 The impeller should be firmly fixed and produce circumferential and axial motion when rotating in the specified direction. 4.9 Shaft
4.9.! The shaft should have sufficient strength to ensure the reliable operation of the system. It should not have any defects. 4.9.1 The threads on the shaft should be tightened when the shaft is rotated, and the shaft should maintain a central hole. 4.10 Shaft
4.10.1 The humidity of the shaft should not exceed 35°C during operation, and the maximum temperature should not exceed 75%. 4.10.2 Bearing
The bearing should be lubricated with grease or oil. Grease and lubricating oil should be grease and lubricating oil with good anti-oxidation performance. bzxZ.net
4.10.3 The manufacturer shall specify the brand of lubricant used and the number of times the lubricant is changed in the operating and maintenance instructions. 4.1 The bearing body or bearing shall be able to prevent dust from entering and lubricant from leaking. 4.11 Shafting
4.1.1 The following shafting options are allowed in the design: a) Inflatable seal: b) Mechanical seal,
4.11.2 The bearing alloy layer and the sealing jacket shall fit tightly and shall not have any debonding phenomenon. The surface shall not have any defects such as shrinkage, pores, etc. 4.11.3 The operating and maintenance instructions shall clearly specify that the free gas is room temperature, dry, oil-free gas or instrument air. 4.12 Pump parts quality
4.12.1 The quality of the pump parts shall comply with the provisions of GB/T2100, GB/T9438, and GB/T13819. 4.12.2. The defects that can be repaired in the parts can be repaired by welding or other methods, but they must comply with the requirements of the drawings and technical specifications, and the design and handling of the repair procedures are in accordance with the specifications. After the joint, it must be heat treated to eliminate the joint stress. 4.13 Water pressure test
All bearing parts are subjected to a water pressure strength test at 1.5 times the working pressure. The test uses warm water and the pressure is 5m high. No damage is allowed.
4.14 Assembly and other requirements
4.14.1 After the pump is assembled, the rotor should rotate flexibly and smoothly. 4.14.2 Before assembly and before the interface, the installation and certification must be oil-proof and unsettled. 4.15 Material selection
At the end of the pump, the components should be selected from materials with good low temperature performance. The case, impeller and shaft shall be subjected to low temperature impact test. 4.15.1 Material composition and quality
The chemical composition, mechanical properties and thermal properties of the material shall comply with the provisions of GB/T699, GB/T700, GB/T1220, GB/T11527, GB/T2041, GB/T4423, GB/T56[2. GB/T2100, GB/T9438, GB/T13808 and GB/11381. 4.1 Complete set scope
The complete set supply scope of the pump shall generally include: a) assembled pump [including motor!
b) special parts required for disassembling and assembling the pump; c) spare parts and components.
JB/T9073—1999
4.17 Provided that the user complies with the transportation, protection, installation, and maintenance conditions of the product: the product shall be operated continuously for no more than 12 months after being shipped from the manufacturer. If the product cannot be operated normally or is damaged due to manufacturing quality problems, the manufacturer shall provide free replacement or replacement, excluding normal replacement parts. 5 Test methods
5.! The test of the pump is divided into type test and factory test 1.! New products must undergo type test. Old products must also undergo type test when there are major design changes. Type test: a) Room temperature rotation test; b) Normal temperature performance test; e) Low temperature operation test; 5.7 Products produced in batches are sampled for factory test. Contents of factory test: Low temperature operation test: Number of samples per production unit 5.3 Normal temperature test 5.3.1 The test methods of pump flash temperature rotation test and common sense performance test shall comply with the provisions of GB/T3216 5.3.2 The accuracy of normal temperature test shall not be lower than the provisions of GB/T3216-19894 Class C. 5.3.3 Test device shall be approved by relevant design units: 5.4 Low temperature operation test 5.41 The low temperature test of the test shall be strictly carried out in accordance with the test specifications approved by the prescribed procedures. And the test should be carried out at the specified speed and within the specified use. 1. The test duration shall not be less than 4h.
5.4.2 On-site test
When the manufacturer conducts reverse test in the factory due to the limited performance of equipment components, the test should be carried out at the user's location. The test items and methods shall be jointly agreed upon by the manufacturer and the user: The test results shall conform to the product performance regulations. 5.5 Reference measurement and level gauge 5.5.1 The measurement is calculated according to formula (1); where: H---field, Hml0*x(es-p)---the pressure at the top of the pressure vessel, MPa; P,--the bottom pressure of the system, MPa; P,--the density of the cryogenic liquid, kg/m
g---the bottom velocity of the falling body, m/s\
JB/T9073-1999
The pressure measurement type of the system adopts a spring-loaded dynamometer, and the spring-loaded dynamometer is selected according to the head of the pump. The indication value of the pointer should be within the range of 1/3--2:3 of the pressure gauge, and the accuracy should be less than 1.5. 5.5.2 Measurement of rotation speed
The measurement of rotation speed can be measured by a mathematical instrument with direct display of the number of revolutions within the measuring time. 5.5.7 Measurement of shaft power
The input power of the motor should be measured at the motor input end, and a single-phase power meter should be used for measurement. The instrument accuracy should not be less than 0.5 level. The shaft power of the motor should be calculated according to formula (2):
P,-Pg Ta
Where:
shaft power of the pump, kw;
\a—motor compressed power, k;
1ml—motor efficiency.
5.5.4 Measurement of bearing temperature
5.5.5 Vibration and noise measurement
The vibration and noise measurement should be in accordance with the provisions of Appendix F of GB/T3216-1989. 5.5.5.1 New products or products with major design modifications shall be tested for vibration and noise 5.5.5.2 Products produced in batches shall be tested for vibration and noise. Product sampling shall be in accordance with the provisions of Table 3: 5.0 Type test report
5.f! The content of the new product type test report includes: a) Materials for checking the assembly status of the pump before the test b) Test reports with temperature and low temperature:
c) Normal temperature test records, pump performance curve; d Low temperature test records
) Test conclusions
5.6.2 The content of the test report includes:
a) Materials for checking the assembly status of the pump before the test: b) Low temperature test report:
e Test records;
d) Test instrument calibration records:
) Test conclusions.
5.6.3 The test data must be signed by the tester and the acid inspector. 6 Inspection rules
6.1 Material test
Material test shall comply with the provisions of 4.15.1. 6.2 Inspection
The following inspections may be required:
a] Parts inspection before transfer;
5) Check whether the oil pump parts have obvious grease:
. 1) Internal inspection after test operation:
1) Installation and:
c) Auxiliary pipelines and their accessories
1) Label content:
g) Visual inspection:
. 3 Final inspection
JB/1 9073—1999
Each unit is manufactured approximately one month! The technical inspection department will check the product supply, the complete set of products and the safety of the packaging materials. The units will be shipped after they are qualified. 7.1.1 Labels The label should be placed in a conspicuous position in accordance with the provisions of GR/T133M. The label content includes: a) Name of manufacturer; c) Name and type of pump; d) Technical specification of system: flow rate, MH; torque, m; speed, rmin; motor power, kw; d) Factory serial number; 7.1.2 Steering direction The general direction of rotation of the pump shall be indicated by a prominent arrow in a nearby position. 1.2 Packaging and Transportation 1.2.1 Before packaging, wrap the machine with polyethylene plastic cloth. 7.2.2 Product packaging shall comply with the provisions of GB/T13384. 7.2.3 Take measures to prevent damage during transportation. 7.2.4 The following technical documents shall be brought to the factory. And packed in waterproof and moisture-proof documents: 1. Product certificate: 2. Product instruction manual (including power line) 3. Product general drawing 4. Product damage parts drawing 5. Delivery technical terms: 6. Packing list 7. Products should be placed in the order room or a suitable exchange place. Anti-rust, anti-corrosion and anti-toughness inspections should be carried out regularly during the storage period.17 Provided that the user complies with the transportation, maintenance, installation, and use conditions of the product: the product shall be operated continuously for no more than 12 months from the date of shipment from the manufacturer. If the product cannot be operated normally or is damaged due to manufacturing quality problems, the manufacturer shall provide free replacement or replacement, excluding normal replacement parts. 5 Test method
5.! The test of the pump is divided into type test and factory test 1.! New products must undergo type test. Old products must also undergo type test when there are major design changes. Type test: a) Room temperature rotation test; b) Normal temperature performance test; e) Low temperature operation test; 5.7 Products produced in batches are sampled for factory test. Contents of factory test: Low temperature operation test: Number of samples per production unit 5.3 Normal temperature test 5.3.1 The test methods of pump flash temperature rotation test and common sense performance test shall comply with the provisions of GB/T3216 5.3.2 The accuracy of normal temperature test shall not be lower than the provisions of GB/T3216-19894 Class C. 5.3.3 Test device shall be approved by relevant design units: 5.4 Low temperature operation test 5.41 The low temperature test of the test shall be strictly carried out in accordance with the test specifications approved by the prescribed procedures. And the test should be carried out at the specified speed and within the specified use. 1. The test duration shall not be less than 4h.
5.4.2 On-site test
When the manufacturer conducts reverse test in the factory due to the limited performance of equipment components, the test should be carried out at the user's location. The test items and methods shall be jointly agreed upon by the manufacturer and the user: The test results shall conform to the product performance regulations. 5.5 Reference measurement and level gauge 5.5.1 The measurement is calculated according to formula (1); where: H---field, Hml0*x(es-p)---the pressure at the top of the pressure vessel, MPa; P,--the bottom pressure of the system, MPa; P,--the density of the cryogenic liquid, kg/m
g---the bottom velocity of the falling body, m/s\
JB/T9073-1999
The pressure measurement type of the system adopts a spring-loaded dynamometer, and the spring-loaded dynamometer is selected according to the head of the pump. The indication value of the pointer should be within the range of 1/3--2:3 of the pressure gauge, and the accuracy should be less than 1.5. 5.5.2 Measurement of rotation speed
The measurement of rotation speed can be measured by a mathematical instrument with direct display of the number of revolutions within the measuring time. 5.5.7 Measurement of shaft power
The input power of the motor should be measured at the motor input end, and a single-phase power meter should be used for measurement. The instrument accuracy should not be less than 0.5 level. The shaft power of the motor should be calculated according to formula (2):
P,-Pg Ta
Where:
shaft power of the pump, kw;
\a—motor compressed power, k;
1ml—motor efficiency.
5.5.4 Measurement of bearing temperature
5.5.5 Vibration and noise measurement
The vibration and noise measurement should be in accordance with the provisions of Appendix F of GB/T3216-1989. 5.5.5.1 New products or products with major design modifications shall be tested for vibration and noise 5.5.5.2 Products produced in batches shall be tested for vibration and noise. Product sampling shall be in accordance with the provisions of Table 3: 5.0 Type test report
5.f! The content of the new product type test report includes: a) Materials for checking the assembly status of the pump before the test b) Test reports with temperature and low temperature:
c) Normal temperature test records, pump performance curve; d Low temperature test records
) Test conclusions
5.6.2 The content of the test report includes:
a) Materials for checking the assembly status of the pump before the test: b) Low temperature test report:
e Test records;
d) Test instrument calibration records:
) Test conclusions.
5.6.3 The test data must be signed by the tester and the acid inspector. 6 Inspection rules
6.1 Material test
Material test shall comply with the provisions of 4.15.1. 6.2 Inspection
The following inspections may be required:
a] Parts inspection before transfer;
5) Check whether the oil pump parts have obvious grease:
. 1) Internal inspection after test operation:
1) Installation and:
c) Auxiliary pipelines and their accessories
1) Label content:
g) Visual inspection:
. 3 Final inspection
JB/1 9073—1999
Each unit is manufactured approximately one month! The technical inspection department will check the product supply, the complete set of products and the safety of the packaging materials. The units will be shipped after they are qualified. 7.1.1 Labels The label should be placed in a conspicuous position in accordance with the provisions of GR/T133M. The label content includes: a) Name of manufacturer; c) Name and type of pump; d) Technical specification of system: flow rate, MH; torque, m; speed, rmin; motor power, kw; d) Factory serial number; 7.1.2 Steering direction The general direction of rotation of the pump shall be indicated by a prominent arrow in a nearby position. 1.2 Packaging and Transportation 1.2.1 Before packaging, wrap the machine with polyethylene plastic cloth. 7.2.2 Product packaging shall comply with the provisions of GB/T13384. 7.2.3 Take measures to prevent damage during transportation. 7.2.4 The following technical documents shall be brought to the factory. And packed in waterproof and moisture-proof documents: 1. Product certificate: 2. Product instruction manual (including power line) 3. Product general drawing 4. Product damage parts drawing 5. Delivery technical terms: 6. Packing list 7. Products should be placed in the order room or a suitable exchange place. Anti-rust, anti-corrosion and anti-toughness inspections should be carried out regularly during the storage period.17 Provided that the user complies with the transportation, maintenance, installation, and use conditions of the product: the product shall be operated continuously for no more than 12 months from the date of shipment from the manufacturer. If the product cannot be operated normally or is damaged due to manufacturing quality problems, the manufacturer shall provide free replacement or replacement, excluding normal replacement parts. 5 Test method
5.! The test of the pump is divided into type test and factory test 1.! New products must undergo type test. Old products must also undergo type test when there are major design changes. Type test: a) Room temperature rotation test; b) Normal temperature performance test; e) Low temperature operation test; 5.7 Products produced in batches are sampled for factory test. Contents of factory test: Low temperature operation test: Number of samples per production unit 5.3 Normal temperature test 5.3.1 The test methods of pump flash temperature rotation test and common sense performance test shall comply with the provisions of GB/T3216 5.3.2 The accuracy of normal temperature test shall not be lower than the provisions of GB/T3216-19894 Class C. 5.3.3 Test device shall be approved by relevant design units: 5.4 Low temperature operation test 5.41 The low temperature test of the test shall be strictly carried out in accordance with the test specifications approved by the prescribed procedures. And the test should be carried out at the specified speed and within the specified use. 1. The test duration shall not be less than 4h.
5.4.2 On-site test
When the manufacturer conducts reverse test in the factory due to the limited performance of equipment components, the test should be carried out at the user's location. The test items and methods shall be jointly agreed upon by the manufacturer and the user: The test results shall conform to the product performance regulations. 5.5 Reference measurement and level gauge 5.5.1 The measurement is calculated according to formula (1); where: H---field, Hml0*x(es-p)---the pressure at the top of the pressure vessel, MPa; P,--the bottom pressure of the system, MPa; P,--the density of the cryogenic liquid, kg/m
g---the bottom velocity of the falling body, m/s\
JB/T9073-1999
The pressure measurement type of the system adopts a spring-loaded dynamometer, and the spring-loaded dynamometer is selected according to the head of the pump. The indication value of the pointer should be within the range of 1/3--2:3 of the pressure gauge, and the accuracy should be less than 1.5. 5.5.2 Measurement of rotation speed
The measurement of rotation speed can be measured by a mathematical instrument with direct display of the number of revolutions within the measuring time. 5.5.7 Measurement of shaft power
The input power of the motor should be measured at the motor input end, and a single-phase power meter should be used for measurement. The instrument accuracy should not be less than 0.5 level. The shaft power of the motor should be calculated according to formula (2):
P,-Pg Ta
Where:
shaft power of the pump, kw;
\a—motor compressed power, k;
1ml—motor efficiency.
5.5.4 Measurement of bearing temperature
5.5.5 Vibration and noise measurement
The vibration and noise measurement should be in accordance with the provisions of Appendix F of GB/T3216-1989. 5.5.5.1 New products or products with major design modifications shall be tested for vibration and noise 5.5.5.2 Products produced in batches shall be tested for vibration and noise. Product sampling shall be in accordance with the provisions of Table 3: 5.0 Type test report
5.f! The content of the new product type test report includes: a) Materials for checking the assembly status of the pump before the test b) Test reports with temperature and low temperature:
c) Normal temperature test records, pump performance curve; d Low temperature test records
) Test conclusions
5.6.2 The content of the test report includes:
a) Materials for checking the assembly status of the pump before the test: b) Low temperature test report:
e Test records;
d) Test instrument calibration records:
) Test conclusions.
5.6.3 The test data must be signed by the tester and the acid inspector. 6 Inspection rules
6.1 Material test
Material test shall comply with the provisions of 4.15.1. 6.2 Inspection
The following inspections may be required:
a] Parts inspection before transfer;
5) Check whether the oil pump parts have obvious grease:
. 1) Internal inspection after test operation:
1) Installation and:
c) Auxiliary pipelines and their accessories
1) Label content:
g) Visual inspection:
. 3 Final inspection
JB/1 9073—1999
Each unit is manufactured approximately one month! The technical inspection department will check the product supply, the complete set of products and the safety of the packaging materials. The units will be shipped after they are qualified. 7.1.1 Labels The label should be placed in a conspicuous position in accordance with the provisions of GR/T133M. The label content includes: a) Name of manufacturer; c) Name and type of pump; d) Technical specification of system: flow rate, MH; torque, m; speed, rmin; motor power, kw; d) Factory serial number; 7.1.2 Steering direction The general direction of rotation of the pump shall be indicated by a prominent arrow in a nearby position. 1.2 Packaging and Transportation 1.2.1 Before packaging, wrap the machine with polyethylene plastic cloth. 7.2.2 Product packaging shall comply with the provisions of GB/T13384. 7.2.3 Take measures to prevent damage during transportation. 7.2.4 The following technical documents shall be brought to the factory. And packed in waterproof and moisture-proof documents: 1. Product certificate: 2. Product instruction manual (including power line) 3. Product general drawing 4. Product damage parts drawing 5. Delivery technical terms: 6. Packing list 7. Products should be placed in the order room or a suitable exchange place. Anti-rust, anti-corrosion and anti-toughness inspections should be carried out regularly during the storage period.-Pg Ta
Where:
The shaft power of the pump, kw;
\a—The motor compressed power, k;
1ml—The motor efficiency.
5.5.4 Bearing temperature test
5.5.5 Vibration and noise test
Vibration and noise test shall comply with the provisions of Appendix F of GB/T3216-1989. 5.5.5.1 New products or products with major design modifications shall be subject to vibration and noise tests. 5.5.5.2 Mass-produced products shall be subject to vibration and noise tests, and product sampling shall comply with the provisions of Table 3: 5.0 Inspection report
5.f! The content of the new product type test report includes: a) the signature of the pump assembly condition before the test b) temperature and low temperature test report:
c) normal temperature test record, pump performance curve; d low temperature test record
) test conclusion,
5.6.2 The content of the test report includes:
a) data of the pump assembly condition before the test: b) low temperature test report:
e test record;
d) calibration record of the instrument used for the test:
) test conclusion.
5.6.3 The test data must be signed by the tester and the acid inspection personnel. 6 Inspection rules
6.1 Material test
The material test should comply with the provisions of 4.15.1. 6.2 Inspection
The following inspections can be required:
a] Parts inspection before transfer;
5! The oil on the pump parts will be checked for obvious grease. 1) Internal inspection after the test run: 2) Installation and: 3) Auxiliary pipelines and their accessories 4) Label content: 5) Multi-view inspection: 6) Final inspection: 7) JB/1 9073—1999 8) Each unit is manufactured about one month! The technical inspection department will check the product supply, the complete set of products and the safety of the packaging materials. The units will be shipped after they are qualified. 7.1.1 Labels The label should be placed in a conspicuous position in accordance with the provisions of GR/T133M. The label content includes: a) Name of manufacturer; c) Name and type of pump; d) Technical specification of system: flow rate, MH; torque, m; speed, rmin; motor power, kw; d) Factory serial number; 7.1.2 Steering direction The general direction of rotation of the pump shall be indicated by a prominent arrow in a nearby position. 1.2 Packaging and Transportation 1.2.1 Before packaging, wrap the machine with polyethylene plastic cloth. 7.2.2 Product packaging shall comply with the provisions of GB/T13384. 7.2.3 Take measures to prevent damage during transportation. 7.2.4 The following technical documents shall be brought to the factory. And packed in waterproof and moisture-proof documents: 1. Product certificate: 2. Product instruction manual (including power line) 3. Product general drawing 4. Product damage parts drawing 5. Delivery technical terms: 6. Packing list 7. Products should be placed in the order room or a suitable exchange place. Anti-rust, anti-corrosion and anti-toughness inspections should be carried out regularly during the storage period.-Pg Ta
Where:
The shaft power of the pump, kw;
\a—The motor compressed power, k;
1ml—The motor efficiency.
5.5.4 Bearing temperature test
5.5.5 Vibration and noise test
Vibration and noise test shall comply with the provisions of Appendix F of GB/T3216-1989. 5.5.5.1 New products or products with major design modifications shall be subject to vibration and noise tests. 5.5.5.2 Mass-produced products shall be subject to vibration and noise tests, and product sampling shall comply with the provisions of Table 3: 5.0 Inspection report
5.f! The content of the new product type test report includes: a) the signature of the pump assembly condition before the test b) temperature and low temperature test report:
c) normal temperature test record, pump performance curve; d low temperature test record
) test conclusion,
5.6.2 The content of the test report includes:
a) data of the pump assembly condition before the test: b) low temperature test report:
e test record;
d) calibration record of the instrument used for the test:
) test conclusion.
5.6.3 The test data must be signed by the tester and the acid inspection personnel. 6 Inspection rules
6.1 Material test
The material test should comply with the provisions of 4.15.1. 6.2 Inspection
The following inspections can be required:
a] Parts inspection before transfer;
5! The oil on the pump parts will be checked for obvious grease. 1) Internal inspection after the test run: 2) Installation and: 3) Auxiliary pipelines and their accessories 4) Label content: 5) Multi-view inspection: 6) Final inspection: 7) JB/1 9073—1999 8) Each unit is manufactured about one month! The technical inspection department will check the product supply, the complete set of products and the safety of the packaging materials. The units will be shipped after they are qualified. 7.1.1 Labels The label should be placed in a conspicuous position in accordance with the provisions of GR/T133M. The label content includes: a) Name of manufacturer; c) Name and type of pump; d) Technical specification of system: flow rate, MH; torque, m; speed, rmin; motor power, kw; d) Factory serial number; 7.1.2 Steering direction The general direction of rotation of the pump shall be indicated by a prominent arrow in a nearby position. 1.2 Packaging and Transportation 1.2.1 Before packaging, wrap the machine with polyethylene plastic cloth. 7.2.2 Product packaging shall comply with the provisions of GB/T13384. 7.2.3 Take measures to prevent damage during transportation. 7.2.4 The following technical documents shall be brought to the factory. And packed in waterproof and moisture-proof documents: 1. Product certificate: 2. Product instruction manual (including power line) 3. Product general drawing 4. Product damage parts drawing 5. Delivery technical terms: 6. Packing list 7. Products should be placed in the order room or a suitable exchange place. Anti-rust, anti-corrosion and anti-toughness inspections should be carried out regularly during the storage period.
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